40662664 has 32 divisors (see below), whose sum is σ = 87353280. Its totient is φ = 17383104.

The previous prime is 40662659. The next prime is 40662673. The reversal of 40662664 is 46626604.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32254 + ... + 33490.

It is an arithmetic number, because the mean of its divisors is an integer number (2729790).

Almost surely, 2^40662664 is an apocalyptic number.

It is an amenable number.

40662664 is an abundant number, since it is smaller than the sum of its proper divisors (46690616).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40662664 is a wasteful number, since it uses less digits than its factorization.

40662664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1837 (or 1833 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 34.

The square root of 40662664 is about 6376.7283147395. The cubic root of 40662664 is about 343.8734210696.

The spelling of 40662664 in words is "forty million, six hundred sixty-two thousand, six hundred sixty-four".